81444987

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{1373}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 130804800

約数和(自身を除く): 49359813

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1373, 1521, 2197, 4119, 4563, 6591, 12357, 17849, 19773, 37071, 53547, 59319, 160641, 232037, 481923, 696111, 2088333, 3016481, 6264999, 9049443, 27148329, 81444987]

約数ペア:

[(1, 81444987), (3, 27148329), (9, 9049443), (13, 6264999), (27, 3016481), (39, 2088333), (117, 696111), (169, 481923), (351, 232037), (507, 160641), (1373, 59319), (1521, 53547), (2197, 37071), (4119, 19773), (4563, 17849), (6591, 12357)]